Manufacturer and Model	Z11	Motorola LS 550	Motorola BR 850
Specifications	Holster	Belt Clip	Belt Clip
Number of Buttons	3	3	3
Message Capacity	30	40	60
Time or Date Stamping	Time and Date	Time and Date	Time and Date
Built in Alarm	Yes	Yes	Yes
Vibration Mode	Yes	Yes	Yes
Musical Alerts	8 Melody Alerts + 4 Beep Tones and Silent Tone	5	7
Auto On/Off	Yes	Yes	No
Backlit Display	Yes	Yes	Yes
Dimensions	57mm x 147mm x 18.5mm	2.40" x 1.73" x .70"	2.25" x 1.57" x .75"
Weight	40 Grams	1.78 oz	2.00 oz
Special Features	Memory Retention When Powered Off	Removable Belt Clip	Private Time/Vibra Call (vibrate then chirp) and chirp alerts
Battery	AAA	AAA	AAA
Price		$52.00	$45.00